
.table{
    width: 1920px;
    margin: 0 auto;
    text-align: center;

}
.fenye{
    width: 1000px;
    border: 1px solid gray;
    margin: 0 auto;
}
.pro{
    width: 1200px;
    border: 1px solid gray;
    margin: 0 auto;
}
nav{
    margin: 15px;
}
table{
    padding-left: 310px;
    padding-right: 130px;
}
td,th{
    border: 1px solid;
}